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Re: BUG #6425: Bus error in slot_deform_tuple

From: Duncan Rance <postgres(at)dunquino(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>, Bridget Frey <bridget(dot)frey(at)redfin(dot)com>
Subject: Re: BUG #6425: Bus error in slot_deform_tuple
Date: 2012-02-03 15:24:50
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugspgsql-hackers
On 3 Feb 2012, at 06:45, Tom Lane wrote:
> I probably ought to let the test case run overnight before concluding
> anything, but at this point it's run for two-plus hours with no errors
> after applying this patch:
> diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c

Thank Tom! I've had this running for a few hours now without problems. Previously, on Sparc, the problem would occur in less than a minute.

I did try a build with --enable-cassert and it didn't actually cause the problem. I think I left it for about an hour. Although a a relatively modern machine, this Sparc box I am using is painfully slow. My guess is that the extra time taken to perform the Assert code is hiding the problem.

Now it's time to persuade the customer to use a patched version of pg ;)


P.S. I've been looking for an OS project to contribute to, and I think I'll see if I can help with pg. Time to look a the TODO list :)

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